January 28, 1934, the first ski tow rope in the U.S., built by Robert Royce, was used for the first time in Woodstock, Vermont to.
January 27, 1970, James M. Schlatter received a patent for “Peptide Sweetening Agents” (U.S. No. 3,492,131), an invention which eventually led led to the marketing.
January 26, 1875, George F. Green of Kalamazoo, Michigan, patented the electric dental drill for sawing, filing, dressing and polishing teeth, described as an “electromagnetic dental tool” on patent #159,028.
January 21, 1954, the first nuclear submarine, the U.S.S. Nautilus, was launched at Groton, Connecticut. It was commissioned later in the year, on 30 Sep.